Home / 438,127.11-604,633.77-247,140.45

Finding the Fourth Proportional to 438,127.11, 604,633.77 and 247,140.45

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Solution

The fourth proportional to 438,127.11, 604,633.77 and 247,140.45 is: 341,064.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,127.11 : 604,633.77 = 247,140.45 : x
  2. Step 2: Convert to fraction form
    438,127.11/604,633.77 = 247,140.45/x
  3. Step 3: Cross multiply
    438,127.11x = 604,633.77 × 247,140.45
  4. Step 4: Simplify right side
    438,127.11x = 149,429,462,003.00
  5. Step 5: Solve for x
    x = 149,429,462,003.00/438,127.11
  6. Step 6: Final answer
    x = 341,064.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.